Physics · 2021
JEE Main · 26 August 2021, Shift 1 · Q18
The magnitude of vectors OA, OB and OC in the given figure are equal. The direction of OA + OB - OC with x -axis will be:
The magnitude of vectors $\displaystyle \overrightarrow{\mathrm{OA}}, \overrightarrow{\mathrm{OB}}$ and $\displaystyle \overrightarrow{\mathrm{OC}}$ in the given figure are equal. The direction of $\displaystyle \overrightarrow{\mathrm{OA}}+\overrightarrow{\mathrm{OB}}-\overrightarrow{\mathrm{OC}}$ with $\displaystyle x$-axis will be :

Official answer
(1)
$\displaystyle \tan ^{-1} \frac{(1-\sqrt{3}-\sqrt{2})}{(1+\sqrt{3}+\sqrt{2})}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.